1. Leiden Institute of Chemistry Universiteit Leiden Einsteinweg 55 Leiden 2333 CC Netherlands
2. Leiden Institute of Physics Huygens‐Kamerlingh Onnes Laboratory Universiteit Leiden Leiden 2300 RA The Netherlands
3. Molecular Photonics Group Van't Hoff Institute for Molecular Sciences (HIMS) Universiteit van Amsterdam Science Park 904 Amsterdam 1098 XH Netherlands
4. Department of Cell and Chemical Biology Leiden University Medical Center Einthovenweg 20 Leiden 2333 ZC The Netherlands
5. Department of Chemistry Johns Hopkins University Baltimore MD 21218 USA
6. Materials Department Advanced Research Center for Nanolithography Science Park 106 Amsterdam 1098 XG The Netherlands
7. Institute for Bioprocessing and Analytical Measurement Techniques Rosenhof 37308 Heilbad Heiligenstadt Germany
8. Faculty for Mathematics and Natural Sciences Ilmenau University of Technology 98693 Ilmenau Germany
9. Frauenhofer Attract 3DNanoCell Fraunhofer Institute for Silicate Research ISC 97082 Würzburg Germany